Recovering a Database Via Rollforward Involves

question 20

Multiple Choice

Recovering a database via rollforward involves:

• A)restoring the database from the save and reprocessing all the transactions since the save.
• B)restoring the database from the save and reapplying all the changes made by transactions since the save.
• C)undoing the changes made by erroneous or partially processed transactions and restarting the valid transactions that were in process at the time of the failure.
• D)re-creating the database by re-entering all of the data from the beginning,and then reprocessing all of the transactions.
• E)synchronizing the database and the transaction log by checkpointing.

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Definitions:

Dividend Yield

The dividend per share divided by the price per share, indicating how much cash flow you are getting for each dollar invested in an equity position.

Futures Price

The set price at which an asset will be bought or sold in the future as per the terms of a futures contract.

Arbitrage Profits

Profits earned with no risk by simultaneously buying and selling the same asset in different markets to exploit price discrepancies.

Spot Gold

The current market price at which gold can be bought or sold for immediate delivery.